Equivalent Circuit Capacitance of Microstrip Step Change in Width

Calculated results which extend existing data on the capacitance of step discontinuity are presented for w₁ /H of value 0.1, 0.5,1.0, and 2.0, for relative dielectric constants of 15.1, 9.0, 4.0, and 2.3, and for w₂ /H in the range 0.1-10.0. The quasi-static method of calculation is used, and the excess capacitance associated with the steps is determined by the solution of the integral equation using Green´s functions.